CN103386616A - Efficient lathe - Google Patents

Efficient lathe Download PDF

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Publication number
CN103386616A
CN103386616A CN2013103388902A CN201310338890A CN103386616A CN 103386616 A CN103386616 A CN 103386616A CN 2013103388902 A CN2013103388902 A CN 2013103388902A CN 201310338890 A CN201310338890 A CN 201310338890A CN 103386616 A CN103386616 A CN 103386616A
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CN
China
Prior art keywords
workbench
planker
transmission
main shaft
lathe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013103388902A
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Chinese (zh)
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CN103386616B (en
Inventor
吴承龙
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DILM NUMERICAL CONTROLLED M & E (HANGZHOU) Co Ltd
Original Assignee
DILM NUMERICAL CONTROLLED M & E (HANGZHOU) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201310338890.2A priority Critical patent/CN103386616B/en
Publication of CN103386616A publication Critical patent/CN103386616A/en
Application granted granted Critical
Publication of CN103386616B publication Critical patent/CN103386616B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses an efficient lathe comprising spindles arranged on a lathe rack for clamping a workpiece and driving the workpiece to rotate, worktables for placing cutters, and worktable transmission mechanisms for providing power for the worktables; the two spindles are arranged in parallel; at least two worktables and two worktable transmission mechanisms are arranged around each spindle; the distances between the table tops of all worktables to the axes of the corresponding spindles are equal; and the worktables do not interfere with each other in the stroke. The at least two worktables are arranged at the periphery of each spindle, the processing on complex parts needing multiple processing procedures is realized, and at least two cutters can be used for processing one workpiece at the same time, so the processing efficiency is greatly improved, the precision is greatly improved and the processing stability is good.

Description

A kind of efficient lathe
Technical field
The present invention relates to the efficient lathe that a kind of processing parts is used.
Background technology
On common lathe, only has a fixed main shaft, feed change unit has vertically, laterally double-decker and transmission system correspondingly, when knife rest parallels feed at main-shaft axis, can complete cylinder processing, can complete end face processing when the feed of vertical with main-shaft axis plane, but this machine tooling efficiency be low, work piece holder is changed frequent, and feeding system is complicated.
raising along with technology, the lathe that two main shafts occurred, two main shafts are parallel or be oppositely arranged, such as Chinese patent 201220420449.X disclosed " the two main axle machine tools of Double-blade seat ", it comprises lathe bed, the main cutter seat that lathe bed is provided with main headstock and is arranged on main headstock one side, the main cutter seat can relatively main headstock axial translation and radial translation, also be provided with secondary headstock on lathe bed, secondary headstock and the coaxial setting of main headstock, the opposite side that main headstock and secondary headstock have the main cutter seat has the secondary base of tool, the secondary base of tool can relatively main headstock axial translation and radial translation.Chinese patent 200920313201.1 disclosed " two main axle machine tool " and for example, it comprises lathe bed and main shaft frame, the main shaft frame is provided with two main shafts that are parallel to each other, be separately installed with the first lathe tool and the second lathe tool on two main shafts, also be provided with fixture on lathe bed, clamp bottom board and lathe bed are for being slidably connected, described main shaft frame and lathe bed are slidably connected, described the second lathe tool bore is less than the first lathe tool bore, clamp bottom board is provided with locating piece and holds out against in pole socket top-fastening rod seat and is provided with the top-fastening rod that coordinates location with locating piece, the top-fastening rod side is provided with telescopic backstay, this backstay and the first hydraulic jack are in transmission connection.For this class lathe, can avoid tool changing adding while only needing two kinds of cutters man-hour, only need mobile main shaft or workbench to get final product, thus the deviation while preventing tool changing, machining accuracy and efficiency increase.But the Machine Tool design of so corresponding workbench of each main shaft,, for the workpiece that needs the processing of multiaspect multiple working procedure, still need the position of repeatedly tool changing and movable knife, affected machining accuracy and working (machining) efficiency.
Summary of the invention
The objective of the invention is to solve the problem that prior art exists, provide a kind of and can reduce because changing cutter, the efficient lathe of the machining accuracy that causes of location and the problem such as efficiency is low repeatedly.
The technical scheme that realizes the object of the invention is a kind of efficient lathe, comprise be arranged on machine tool frame clamp workpiece and drive workpiece rotating main shaft, arrangement of tool workbench and the table transmission mechanism of mobile power is provided for workbench; Described main shaft is two, be arranged in parallel, and around each main shaft, is provided with at least two workbench and two table transmission mechanisms, and each table plane equates to the distance in the axle center of corresponding main shaft, and the mobile mutually noninterfere in its stroke of each workbench.
For convenient unified installment work platform, lathe also comprises the assembling framework that is arranged on machine tool frame and covers main shaft, workbench and table transmission mechanism, and a plurality of installed surfaces are set on described assembling framework; Described each workbench all is arranged on the installed surface of assembling framework.The bottom of described assembling framework is oppositely arranged the installed surface of two inclinations.The angle of inclination of two installed surfaces that the bottom of described assembling framework is relative is that α is 20 ° ~ 90 °.
, for the ease of the discharge of smear metal, leave the channel of chip removal for chip discharge between the installed surface of two inclinations that the bottom of described assembling framework is oppositely arranged
The installed surface quantity that can arrange on assembling framework is not limit, wherein a kind of preferred, also that very stable structure is that the corresponding main shaft of described assembling framework sets gradually the top level---four installed surfaces of upper angled---middle part is vertical---bottom angled, between adjacent installed surface or the angle of the extended line of adjacent installed surface be 135 °.
In order to make assembling framework form an enclosure space that covers main shaft, workbench, add thereby offset the active force that is applied to all directions on each workbench man-hour, the installed surface of two top water mean places at the top of described assembling framework links together.
For the lathe of two main shafts, can adopt manipulator change the outfit workpiece and cutter on main shaft, can be also to adopt manually to change the outfit, in order to make the impact of avoiding smear metal while manually changing the outfit, lathe also comprises the division board that is arranged in the middle of two main shafts.
In order to make the machined surface to workpiece can form the form that really is surrounded on main shaft, described division board arranges respectively a workbench towards the two sides of main shaft.
Successfully from bottom, discharge in order to make smear metal, be unlikely to overstock in assembling framework, keep at a distance in the bottom surface of described division board and the bottom surface of assembling framework, the bottom surface height of division board makes the smear metal of two workbench generations that are positioned at assembling framework bottommost left and right not interfere with each other at least.
The workbench that can move is only arranged, corresponding cutter can only obtain the adjusting of a direction, and the present invention also comprise equate with workbench quantity and the corresponding installed surface that is arranged on assembling framework on planker and the planker transmission mechanism of mobile power is provided for planker; Described planker and planker transmission mechanism are arranged at the table transmission mechanism bottom; The moving direction of described planker and the moving direction of workbench are the direction of two dimensions, and each cutter just can be regulated on both direction thus, can guarantee the range of work of lathe in stroke, have guaranteed that simultaneously machining accuracy is higher, more flexible.
, for the transmission mechanism of workbench and planker, can adopt the screw rod transmission mode also can adopt the more advanced mode that more saves the space-efficient linear electric motors.Described table transmission mechanism and planker transmission mechanism include guide rail and slide block; The bottom of described workbench and planker arranges respectively slide block, and slide block and guide rail are slidably connected.Described table transmission mechanism and planker transmission mechanism also comprise screw pair and servomotor, and described workbench and planker are set in respectively on screw pair, the driven by servomotor screw pair; Perhaps state table transmission mechanism and the planker transmission mechanism also comprises linear electric motors.
Described each workbench correspondence arranges one or more gang feed tool rack; Perhaps each workbench correspondence arranges a power cutter tower, can select as required thus, when using power cutter tower,, though can increase to a certain extent the time of tool changing, process more flexibly, and choice is more increasing also.
In order to obtain good shock absorbing performance, described two main shafts are placed in respectively on different lathe bed bases; Perhaps two main shafts are arranged on the cast mineral base.
Adopted technique scheme, the present invention has following beneficial effect: (1) every main shaft periphery of the present invention all is provided with at least 2 workbench, therefore for the processing of the complex parts that need multi-step process, efficiency is doubled at least, and also raising greatly of precision, good processing stability.
(2) the present invention is for the installation of convenient a plurality of workbench, be provided with an installation frame, the quantity of the installed surface that the shape of installation frame can arrange is as required adjusted, after having adopted the installation frame of sealing, adding the active force that is applied to all directions on each workbench man-hour can offset, and makes thus the rigidity of lathe better.
(3) quantity of workbench of the present invention and position are unfixing, can arrange according to the concrete needs of processing, and flexible design, adaptability is good.
(4) the present invention arranges division board in the middle of two main shafts, makes manually change the outfit workpiece and cutter avoid constantly the impact of smear metal.
(5) keep at a distance in the bottom surface of the bottom surface of division board of the present invention and assembling framework, the bottom surface height of division board makes the smear metal of two workbench generations that are positioned at assembling framework bottommost left and right not interfere with each other at least, smear metal can successfully be discharged from bottom thus, is unlikely to overstock in assembling framework.
(6) the present invention adopts workbench and the planker that two dimensions move to coordinate, and each cutter just can be regulated on both direction thus, and is higher also more flexible for the machining accuracy of workpiece.
(7) the present invention, for the transmission mechanism of workbench and planker, can adopt the screw rod transmission mode also can adopt the more advanced mode that more saves the space-efficient linear electric motors.
(8) the present invention is also more flexible for the selection of knife rest, can select as required gang feed tool rack and power cutter tower.
(9) consider that the left and right main shaft produces the mutual interference of vibrations phase in cutting, affect the quality of product, the present invention is placed in two main shafts on different lathe bed bases or is arranged on the cast mineral base, thereby has obtained good shock absorbing performance, can increase substantially the fineness of converted products.
 
Description of drawings
Content of the present invention is easier to be expressly understood in order to make, and below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the principle schematic of table transmission mechanism of the present invention.Attached number in the figure is:
Main shaft 1, workbench 2, table transmission mechanism 3, guide rail 31, slide block 32, screw pair 33, bearing 34, shaft coupling 35, servomotor 36, assembling framework 4, installed surface 41, channel of chip removal 5, division board 6, planker 7, planker transmission mechanism 8.
 
The specific embodiment
(embodiment 1)
See Fig. 1, a kind of efficient lathe of the present embodiment, comprise and be arranged on clamping workpiece and driving the workbench 2 of main shaft 1, the arrangement of tool of workpiece rotating, table transmission mechanism 3, assembling framework 4, division board 6, the planker 7 of mobile power is provided and the planker transmission mechanism 8 of mobile power is provided for planker 7 for workbench 2 on machine tool frame.
Main shaft 1 is two, be arranged in parallel, and around each main shaft 1, is provided with three workbench 2, three table transmission mechanisms 3, three plankers 7 and three planker transmission mechanisms 8, thereby main shaft 1 is formed the gesture of encircling.Produce the mutual interference of vibrations phase in order to reduce the left and right main shaft in cutting, two main shafts 1 can be placed on different lathe bed bases; Perhaps two main shafts 1 are arranged on the cast mineral base.On main shaft 1, connecting chuck clamps workpiece, and chuck can be selected air spider or oild chuck, can also be that bar or disc-like are selected the chuck structure that middle part is hollow or middle part is solid according to workpiece simultaneously.
Planker 7 and planker transmission mechanism 8 are arranged at table transmission mechanism 3 bottoms.Each workbench 2 planes equate to the distance in the axle center of corresponding main shaft 1, and each workbench 3 and planker 7 mobile mutually noninterfere in its stroke.The moving direction of the moving direction of planker 7 and workbench 2 is the direction of two dimensions, and such as the moving direction of planker 7 is Z-direction, the moving direction of workbench 2 is X-direction, thereby just can be so that cutter can be debugged point-device Working position.
Table transmission mechanism 3 and planker transmission mechanism 8 include guide rail and slide block; The bottom of workbench 2 and planker 7 arranges respectively slide block, and slide block and guide rail are slidably connected.The power part of table transmission mechanism 3 and planker transmission mechanism 8 can adopt screw rod transmission or linear electric motors transmission.When adopting screw rod transmission, as shown in Figure 2, table transmission mechanism 3 comprises guide rail 31, slide block 32, screw pair 33, bearing 34, shaft coupling 35, servomotor 36.Workbench 2 is set on screw pair 33, and servomotor 36 drives screw pair 33 by shaft coupling 35 transmissions, thereby drive the workbench 2 that is equipped with slide block 32, along guide rail 31, moves.Planker transmission mechanism 8 adopts the principle of screw rod transmission consistent with table transmission mechanism, just guarantees to be that two different dimension directions get final product on moving direction.Certainly, table transmission mechanism 3 and planker transmission mechanism 8 are without screw rod transmission, and the form of employing guide rail, slide block and linear electric motors.still adopt linear electric motors to drive as for specifically how adopting screw mandrel to add driven by servomotor, mainly still according to actual conditions, select, if space is enough, can select the mode of the lower screw pair of price and driven by servomotor, if and the peripheral workbench that arranges of main shaft is more, while not having space again servomotor to be set, can select to adopt the mode of linear electric motors, in Fig. 1, in upper left, lower-left, upper right, the screw pair that all adopt the position of four inclinations in bottom right and the mode of servomotor, at the middle part vertical plane owing to not having position that servomotor is installed, adopt linear electric motors.Need to arrange guard shield at each table transmission mechanism 3 and planker transmission mechanism 8 places and protect, also be convenient to chip removal simultaneously.
, as for the selection of knife rest, can one or more gang feed tool rack be set each workbench 2 correspondence; Perhaps corresponding power cutter tower of each workbench 2.
Be provided with a plurality of installed surfaces 41 on assembling framework 4, be used for installment work platform 2, table transmission mechanism 3, planker 7 and planker transmission mechanism 8.As shown in fig. 1, the corresponding main shaft 1 of assembling framework 4 sets gradually the top level---four installed surfaces 41 of upper angled---middle part is vertical---bottom angled, between adjacent installed surface 41 or the angle of the extended line of adjacent installed surface 41 be 135 °, also namely bottom installed surface inclined angle alpha is 45 °.In Fig. 1, workbench is not set on the horizontal mounting surface of top, if necessary, also can arrange.Leave the channel of chip removal 5 for chip discharge between the installed surface 41 of two inclinations that the bottom of assembling framework 4 is oppositely arranged.The installed surface 41 of two top water mean places at the top of assembling framework 4 links together.
The lathe of the present embodiment arranges division board 6 in the middle of two main shafts 1, to facilitate between the main shaft of left and right, change part, certainly when the employing manipulator carries out the exchange of workpiece etc., division board 6 can be set.And another effect of division board 6 is, can also towards the two sides of main shaft 1, a workbench 2 be set respectively at division board 6.Keep at a distance in the bottom surface of the bottom surface of division board 6 and assembling framework 4, the bottom surface height of division board 6 makes the smear metal of two workbench, 2 generations that are positioned at assembling framework 4 bottommost left and right not interfere with each other at least.
When needs are regulated Working position, can first planker 7 be moved to the position that needs, and then then fine setting workbench 2 selects suitable cutter to get final product to accurate position.Because every main shaft all is provided with at least 2 workbench, therefore for the processing of the complex parts that need multi-step process, a workpiece has at least two cutters to carry out simultaneously machining, and working (machining) efficiency improves greatly.
 
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (13)

1. efficient lathe, comprise be arranged on machine tool frame clamp workpiece and drive workpiece rotating main shaft (1), arrangement of tool workbench (2) and the table transmission mechanism (3) of mobile power is provided for workbench (2); It is characterized in that: described main shaft (1) is two, be arranged in parallel; And around each main shaft (1), be provided with at least two workbench (2) and two table transmission mechanisms (3), each workbench (2) plane equates to the distance in the axle center of corresponding main shaft (1), and each workbench (3) mobile mutually noninterfere in its stroke.
2. a kind of efficient lathe according to claim 1, it is characterized in that: also comprise the assembling framework (4) that is arranged on machine tool frame and covers main shaft (1), workbench (2) and table transmission mechanism (3), a plurality of installed surfaces (41) are set on described assembling framework (4); Described each workbench (2) all is arranged on the installed surface (41) of assembling framework (4).
3. a kind of efficient lathe according to claim 2, it is characterized in that: the bottom of described assembling framework (4) is oppositely arranged the installed surface (41) of two inclinations, and tilt angle alpha is 20 ° ~ 90 °.
4. a kind of efficient lathe according to claim 3, is characterized in that: leave the channel of chip removal (5) for chip discharge between the installed surface (41) of two inclinations that the bottom of described assembling framework (4) is oppositely arranged.
5. a kind of efficient lathe according to claim 4, it is characterized in that: the upper corresponding main shaft of described assembling framework (4) (1) sets gradually the top level---upper angled---middle part is vertical---four installed surfaces of bottom angled (41), between adjacent installed surface (41) or the angle of the extended line of adjacent installed surface (41) be 135 °; The installed surface (41) of two top water mean places at the top of described assembling framework (4) links together.
One of according to claim 1 to 5 described a kind of efficient lathe, it is characterized in that: also comprise the division board (6) that is arranged in the middle of two main shafts (1); Keep at a distance in the bottom surface of the bottom surface of described division board (6) and assembling framework (4), the bottom surface height of division board (6) makes the smear metal of two workbench (2) generation that is positioned at assembling framework (4) bottommost left and right not interfere with each other at least.
7. a kind of efficient lathe according to claim 6, it is characterized in that: described division board (6) arranges respectively a workbench (2) towards the two sides of main shaft (1).
8. a kind of efficient lathe according to claim 2 is characterized in that: also comprise equate with workbench (2) quantity and the corresponding installed surface (41) that is arranged on assembling framework (4) on planker (7) and the planker transmission mechanism (8) of mobile power is provided for planker (7); Described planker (7) and planker transmission mechanism (8) are arranged at table transmission mechanism (3) bottom; The moving direction of the moving direction of described planker (7) and workbench (2) is the direction of two dimensions.
9. a kind of efficient lathe according to claim 2, is characterized in that: also comprise the planker transmission mechanism (8) that is arranged at the middle division board (6) of two main shafts (1), the planker (7) that equates with workbench (2) quantity and mobile power is provided for planker (7).
10. a kind of efficient lathe according to claim 9, it is characterized in that: described division board (6) arranges respectively a workbench (2) towards the two sides of main shaft (1).
11. one of according to claim 8 to 10 described a kind of efficient lathe, it is characterized in that: described table transmission mechanism (3) and planker transmission mechanism (8) comprise guide rail, slide block, screw pair and servomotor, the bottom of described workbench (2) and planker (7) arranges respectively slide block, slide block and guide rail are slidably connected, described workbench (2) and planker (7) are set in respectively on screw pair, the driven by servomotor screw pair, make workbench (2) and planker (7) move along guide rail separately; Perhaps described table transmission mechanism (3) and planker transmission mechanism (8) comprise guide rail, slide block and linear electric motors, the bottom of described workbench (2) and planker (7) arranges respectively slide block, slide block and guide rail are slidably connected, and linear electric motors drive workbench (2) and planker (7) and move along guide rail separately.
12. a kind of efficient lathe according to claim 11 is characterized in that: described each workbench (2) correspondence arranges one or more gang feed tool rack; Perhaps each workbench (2) correspondence arranges a power cutter tower.
13. a kind of efficient lathe according to claim 12 is characterized in that: described two main shafts (1) are placed in respectively on different lathe bed bases; Perhaps two main shafts (1) are arranged on the cast mineral base.
CN201310338890.2A 2013-08-06 2013-08-06 A kind of Efficient lathe Expired - Fee Related CN103386616B (en)

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CN103386616B CN103386616B (en) 2015-09-30

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2270040A1 (en) * 1974-05-11 1975-12-05 Pittler Ag Maschf Multi-spindle machine tool - has horiz. and vert. spindles and tool carriages
DE3530982A1 (en) * 1985-08-30 1987-03-12 Gildemeister Ag Two-spindle numerically controlled lathe
DE4205719A1 (en) * 1992-02-25 1993-08-26 Peter Nagel Single or multi-spindle auto lathe with multi-tool infeed slide - which has row of four tool-holders which can be brought successively in position to complete sequence of infeed operations such as form turning, grooving etc.
CN1144150A (en) * 1995-04-13 1997-03-05 Emag-机械销售服务股份有限公司 Multiple main axle machine tool
DE20219330U1 (en) * 2002-12-12 2003-03-06 Lehbrink Gmbh & Co Kg W Multi-spindle drilling unit has one drilling spindle held in fixed position in plane parallel to carrier plate
US20060182506A1 (en) * 2005-02-16 2006-08-17 Alfred Hillinger Double-spindle machine tool
CN101279426A (en) * 2007-04-04 2008-10-08 山崎马扎克公司 Combined machining lathe
CN203390553U (en) * 2013-08-06 2014-01-15 迪莱姆数控机电(杭州)股份有限公司 Efficient machine tool

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2270040A1 (en) * 1974-05-11 1975-12-05 Pittler Ag Maschf Multi-spindle machine tool - has horiz. and vert. spindles and tool carriages
DE3530982A1 (en) * 1985-08-30 1987-03-12 Gildemeister Ag Two-spindle numerically controlled lathe
DE4205719A1 (en) * 1992-02-25 1993-08-26 Peter Nagel Single or multi-spindle auto lathe with multi-tool infeed slide - which has row of four tool-holders which can be brought successively in position to complete sequence of infeed operations such as form turning, grooving etc.
CN1144150A (en) * 1995-04-13 1997-03-05 Emag-机械销售服务股份有限公司 Multiple main axle machine tool
DE20219330U1 (en) * 2002-12-12 2003-03-06 Lehbrink Gmbh & Co Kg W Multi-spindle drilling unit has one drilling spindle held in fixed position in plane parallel to carrier plate
US20060182506A1 (en) * 2005-02-16 2006-08-17 Alfred Hillinger Double-spindle machine tool
CN101279426A (en) * 2007-04-04 2008-10-08 山崎马扎克公司 Combined machining lathe
CN203390553U (en) * 2013-08-06 2014-01-15 迪莱姆数控机电(杭州)股份有限公司 Efficient machine tool

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